Description
Important Note: This product is a spare part for legacy systems.
The Siemens SIRIUS 3RV1021-4AA10 is a motor protection circuit breaker designed for the protection of 3-phase induction motors in industrial automation systems. This S0 size circuit breaker features a thermal setting range of 11-16A and a short-circuit breaking capacity of 50kA at 400V. With trip class 10 and phase disturbance recognition, it provides reliable overload and short-circuit protection for motors up to 7.5kW at 400V AC. The compact design features DIN rail mounting, screw terminals, and IP20 front protection, making it ideal for power distribution panels and motor-driven equipment like compressors, pumps, and fans.
Key Features
- Spare part – Motor protection circuit breaker for 3-phase induction motors
- Thermal setting range: 11-16A
- Short-circuit breaking capacity: 50kA at 400V
- Trip class: 10
- Rated voltage: 690V AC/DC
- Motor power: up to 7.5kW at 400V AC-3
- 3-pole design, S0 size
- Phase disturbance recognition
- Compact dimensions: 97 x 45 x 96mm
- DIN rail mounting
- IP20 front protection
- For legacy system maintenance only
Technical Specifications
- Operating Voltage: 690V AC/DC
- Frequency: 50-60Hz
- Thermal Setting Range: 11-16A
- Short-Circuit Breaking Capacity:
- 50kA at 400V
- 10kA at 500V
- 4kA at 690V
- Rated Power: 7.5kW at 400V AC-3
- Trip Class: CLASS 10
- Number of Poles: 3
- Mounting: DIN rail (35mm standard)
- Protection Class: IP20
- Operating Temperature: -20°C to +70°C
- Mechanical Life: 100,000 cycles
- Maximum Operating Frequency: 15 operations/hour (AC-3)
- Connections: Screw terminals
- Conductor Cross-Section: 2x (1…2.5mm²), 2x (2.5…6mm²)
- AWG Compatible: 14…10
Warranty & After-Sales
- Limited availability as legacy spare part
- Technical support for system compatibility
- Legacy system integration assistance
Delivery Time
- Subject to availability – please inquire
Why Choose Our Store
- Genuine Siemens motor protection components
- Global supply network for obsolete parts
- Expertise in industrial motor protection systems
Applications
- 3-phase induction motor protection
- Industrial automation systems
- Power distribution panels
- Motor-driven equipment (compressors, pumps, fans)
- System protection and load feeder applications
- Manufacturing and process control systems
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